Schafer Douglas M. JR's Form 4 filing
Miami International Holdings, Inc. (MIAX) · filed Aug 6, 2026
- Accession no.
- 0002079445-26-000015
- Filed
- Aug 6, 2026, 4:06 PM ET
- Trade date
- Aug 4, 2026
- Filing delay
- 2 days
- Rule 10b5-1 plan
- Checked
This filing lists 2 non-derivative transactions and 1 derivative transaction. Open-market sales total $2.19M. It was filed 2 days after the trade.
Reporting owners
A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.
| Owner | Relationship to the company |
|---|---|
| Schafer Douglas M. JRCIK 0002079445 | Officer (EVP and CIO) |
Non-derivative securities (Table I)
Acquisitions and disposals of common stock and similar shares, one row per line on the filing.
| Trade date | Security | Transaction | Shares | Price | Value | Shares after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 4, 2026 | Common Stock | MOption exerciseAcquired | +48,000 | $12.00 | +$576,000 | 435,414 | Direct | |
| Aug 4, 2026 | Common Stock | SSaleDisposed | −48,000 | $45.71 | −$2,194,080 | 387,414 | Direct |
Derivative securities (Table II)
Options, warrants, restricted stock units and similar. Shares are the underlying shares; price and value are for the derivative itself, and the holding after is in derivative units.
| Trade date | Security | Transaction | Underlying shares | Unit price | Value | Held after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 4, 2026 | Common Stock | MOption exerciseDisposed | −48,000 | $0.00 | $0 | 43,334 | Direct |
Footnotes
Livermore does not store Form 4 footnotes. For price ranges, how indirect holdings are held and trading plan details, read the original on SEC EDGAR.